Kevin Castillo
@kevincastillo-io
I’m a software engineer with around five years of professional experience, including enterprise roles at HP and Hewlett Packard Enterprise.
Puerto RicoWhat I'm looking for
I published Routini, a minimal React router in TypeScript, with View Transitions and lazy routes. As an independent software engineer, I also contributed to front-end design and development for ClashStats, a sports app built with React and Next.js.
At Hewlett Packard Enterprise, I developed features, enhancements, and bug fixes for a microservices app used in partner factories worldwide. Its stack included Java, Spring Boot, REST, React, ActiveMQ, SQL Server, and Docker.
I also developed features for a React-based health monitoring service, including REST API, backend, and messaging logic for real-time updates. I improved its UX, visual consistency, and design, and addressed performance, cybersecurity, and synchronization issues.
Earlier, I migrated factory-app UI features from Java GWT to React at Hewlett Packard and created a WordPress–Google Sheets integration plugin as a freelance web developer. I also designed and deployed my personal portfolio using Figma and Astro.
Experience
Work history, roles, and key accomplishments
Software Engineer
Independent
Sep 2022 - Present (4 years 1 month)
Published Routini, a minimal React router in TypeScript, and contributed to front-end development for ClashStats. Designed and deployed a personal portfolio using Figma and Astro.
Owned development of features and bug fixes for a microservices app used in partner factories, built with Java, Spring Boot, REST, React, ActiveMQ, SQL Server, and Docker. Managed production operations and improved CI/CD pipeline.
Web Developer
Freelance
Sep 2016 - Dec 2019 (3 years 3 months)
Delivered web design, development, and technical support to non-profit organizations. Created a WordPress–Google Sheets integration plugin to automate data handling.
Migrated UI features of a factory app from Java GWT to React. Researched and fixed performance bottlenecks related to real-time updates and rendering.
Education
Degrees, certifications, and relevant coursework
University of Puerto Rico
Bachelor of Science, Computer Engineering
2009 - 2015
Grade: Magna Cum Laude, GPA: 3.84/4.00
Bachelor of Science in Computer Engineering, graduated Magna Cum Laude with a GPA of 3.84/4.00.
Availability
Location
Puerto RicoAuthorized to work in
Website
kevincastillo.ioPortfolio
kevincastillo.ioSalary expectations
Social media
Job categories
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